Rocket pen



FIG. 1 is a front elevational view of the rocket pen showing my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a front perspective view thereof with the writing tip shown in an extended position.

The broken lines showing the middle of the bottom in FIG. 4 are included for the purpose of illustrating a portion of the rocket pen that forms no part of the claimed design. 

The ornamental design for a rocket pen, as shown and described. 